cant use beta? aw nvm im out

can i make a remote control deternator out side of the box

I've made mine!
I got my idea from my fireworks... which I made the idea my self!
LoadSaveBlock(15473);

heres mine

LoadSaveBlock(15477);

When does the contest end?

mine https://powdertoy.co.uk/View.html?ID=15974

LoadSaveBlock(16021);

i think you should ban some elements

LoadSaveBlock(13984);